<?php
    /* Libchart - PHP chart library
     * Copyright (C) 2005-2013 Jean-Marc Tr�meaux (jm.tremeaux at gmail.com)
     * 
     * This program is free software: you can redistribute it and/or modify
     * it under the terms of the GNU General Public License as published by
     * the Free Software Foundation, either version 3 of the License, or
     * (at your option) any later version.
     * 
     * This program is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     * GNU General Public License for more details.
     *
     * You should have received a copy of the GNU General Public License
     * along with this program.  If not, see <http://www.gnu.org/licenses/>.
     * 
     */
    
    /**
     * An interface to generate labels from numeric values.
     *
     * @author Jean-Marc Trémeaux (jm.tremeaux at gmail.com)
     */
    interface LabelGenerator {
        /**
         * Generate the label.
         * 
         * @param double $value The value to generate the label from
         * @return string Text label
         */
        public function generateLabel($value);
        
    }
?>